GBU4A

LESHAN RADIO COMPANY, LTD. Bridge rectifiers Feature ．Plastic Package has Underwriters Laboratory Flammability Classification 94V-0 ．This series is UL listed under the Recognized Component index,file number E231047 ．Single-in-line package ．High current capality with small package ．Superior thermal conductivity ．High temperature soldering guaranted: 260℃/10 seconds ．High IFSM G BU4A Thru G BU4M ． We declare that the material of product compliance with RoHS requirements. Product Characteristic Item Maximum repetitive voltage Maximum DC reverse current TA=25℃ at rated DC blocking voltage TA=125℃ Average recified forward current 60Hz sine wave,R-load with heatsink Tc=100℃ (1)(2) Symbol GBU4A GBU4B GBU4D GBU4G GBU4J GBU4K GBU4M Unit VRM IR Io IFSM Vdia VF Tj Tstg 50 100 200 400 5 500 4(1) 3(2) 150 2.5 1 150 -55~150 600 800 1000 V μA A A KV V ℃ ℃ Peak forward surge current8.3 ms single half sine-wave superimposed on rated load Dielectric strength Terminals to case, AC 1 minute Current 1mA Maximum instantaneous forward voltage at 2A Operating junction temperature Storage temperature Notes：(1)Unit case mounted on Al plate heat-sink (2) Unites mounted on P.C.B. without heat-sink (3)Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw{heat-sink size:6.5*3.5*0.15cm) 1/4 LESHAN RADIO COMPANY, LTD. Characteristic Curves Fig. 1 　Derating Curve Average Rectified Forward Current Io(A) Case Temperature Tc( ℃) Fig.2　Typical Reverse Characteristics Instantaneous Reverse Current Microamperes Percent of Rated Peak Reverse Voltage 2/4 LESHAN RADIO COMPANY, LTD. Fig.3 　Peak Surge Forward capability Peak Surge Forward Current IFSM(A) Number of Cycles at 60 Hz(cycles) Fig.4　Forward Voltage Forward Current IF(A) Forward Voltage V F(V) 3/4 LESHAN RADIO COMPANY, LTD. SHAPE AND DIMENSIONS NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSIY14.5M, 1982. 2. CONTROLLING DIMENSION: mm. 4/4